Chemistry: electrical and wave energy – Apparatus – Electrolytic
Patent
1985-05-21
1987-08-18
Valentine, Donald R.
Chemistry: electrical and wave energy
Apparatus
Electrolytic
204145F, C25C 324, C25C 334, C25F 114
Patent
active
046875646
ABSTRACT:
Apparatus for processing a metallic fluid containing iron oxide, container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide, an electrolyte in the form of a basic slag on top of the molten metal, an electrode in the container in contcat with the slag electrically separated from the refractory, and means for establishing a voltage across the refractory and the electrode to reduce iron oxide to iron at the surface of the refractory in contact with the iron oxide containing fluid. A process is disclosed for refining an iron product containing not more than about 10% by weight oxygen and not more than about 10% by weight sulfur, comprising providing an electrolyte of a slag containing one or more of calcium oxide, magnesium oxide, silica or alumina, providing a cathode of the iron product in contact with the electrolyte, providing an anode in contact with the electrolyte electrically separated from the cathode, and operating an electrochemical cell formed by the anode, the cathode and the electrolyte to separate oxygen or sulfur present in the iron product therefrom.
REFERENCES:
patent: 2773023 (1956-12-01), Raynes et al.
patent: 2783195 (1957-02-01), Raynes et al.
patent: 3878073 (1975-04-01), Boorstein et al.
patent: 3953308 (1976-04-01), Gatellier et al.
patent: 4166013 (1979-08-01), Fray et al.
Blander Milton
Cook Glenn M.
Fisher Robert J.
Glenn Hugh W.
Hightower Judson R.
The United States of America as represented by the United States
Valentine Donald R.
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